.box {
  display: flex;
  height: 100wh;
  width: 100%;
}
.material {
  width: 200px;
  border-right: 1px solid #dedfe0;
  background: #f5f5f5;
}
.material-con {
  padding: 10px;
  display: flex;
  justify-content: center;
}
.material-con-cont {
  cursor: pointer;
}
.container {
  box-sizing: border-box;
  width: 100%;
  position: relative;
}
.popup {
  position: absolute;
  background: #337ab7;
  box-shadow: 0px 0px 20px rgba(200, 200, 200, 0.5);
  padding: 5px;
  text-align: center;
  cursor: pointer;
}
.htmlNode {
  width: 80px;
  height: 40px;
  background: #a6accd;
  border: 2px solid #000;
  display: flex;
  font-size: 12px;
  align-items: center;
  justify-content: center;
}
